12042142133 has 8 divisors (see below), whose sum is σ = 13764221568. Its totient is φ = 10320506064.

The previous prime is 12042142129. The next prime is 12042142163. The reversal of 12042142133 is 33124124021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12042142133 - 2² = 12042142129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12042142099 and 12042142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042142163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50441 + ... + 163182.

It is an arithmetic number, because the mean of its divisors is an integer number (1720527696).

Almost surely, 2^12042142133 is an apocalyptic number.

It is an amenable number.

12042142133 is a deficient number, since it is larger than the sum of its proper divisors (1722079435).

12042142133 is an equidigital number, since it uses as much as digits as its factorization.

12042142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221683.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12042142133 its reverse (33124124021), we get a palindrome (45166266154).

The spelling of 12042142133 in words is "twelve billion, forty-two million, one hundred forty-two thousand, one hundred thirty-three".